---
title: "7XDXFM 4OP FM Loop Maker — App Overview"
url: https://marlvel.ai/apps/7xdxfm-4op-fm-loop-maker
category: Music
developer: Rob Wilmot
platforms: ios
rating: 4.0 (6 ratings)
pricing: paid
report_level: overview
generated: 2026-04-28
last_verified: "2026-04-28T12:41:06.770Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** While the app offers a robust feature set for FM synthesis and sequencing, users report significant UI readability issues and performance latency that may impact workflow.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Music |
| Rating | 4.0 ★ (6) |
| Pricing | paid |
| Platforms | iOS |
| Latest Version (iOS) | 2.1 |
| Developer | Rob Wilmot |

<!-- SECTION: Summary -->
## What is 7XDXFM 4OP FM Loop Maker?

7XDXFM 4OP FM Loop Maker is a mobile music production tool featuring a 4-operator FM synthesizer and a 7-track sequencer. It offers classic FM sound design capabilities inspired by vintage hardware like the TX81z and Orla DSE, with support for Ableton Link, MIDI, and AUM/Audiobus routing.

<!-- SECTION: Key Features -->
## Key Features

- **4-Operator FM Synthesis**: Provides essential FM synthesizer settings with LFO modulation and dynamic control over amplitude and pitch.
- **7-Track Sequencer**: Allows for pattern creation via step editing or a piano roll interface.
- **External Connectivity**: Supports Ableton Link, MIDI clock/note transmission, and audio routing to AUM or Audiobus.
- **Preset Frequencies**: Includes a range of carrier and modulator frequency presets influenced by Orla DSE and Bohm FM Expander synthesizers.

<!-- SECTION: Target Audience -->
## Who is it for?

Electronic music producers and sound designers looking for a portable, hardware-inspired FM synthesis and sequencing environment.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/7xdxfm-4op-fm-loop-maker/id1589435250?uo=4)
- [Full Intelligence Report](https://marlvel.ai/apps/7xdxfm-4op-fm-loop-maker)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/apps/7xdxfm-4op-fm-loop-maker).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*